If the intquantity and decprice variables contain the numbers 3 and 15.75, respectively, the condition if intquantity > 0 andalso intquantity 20 will evaluate to

if intquantity > 0 andalso intquantity 20

expression evaluates to

(3>0 and 15.7520)

which, using priority of operations, "and" has a higher precedence than "or",

=>

((3>0 and 15.7520)

=>

(false or false)

=>

false